Titan Controls® Apollo 2™ Cycle Timer W/ Photocell 10 seconds to 20 minutes ‘ON TIME’. 1 minute to 12 hours ‘OFF TIME’. Controls timed equipment during daytime only, nighttime only or both. Plastic enclosure protects internal components from dust and moisture. Use to time fans, pumps or CO2. 15 Amps/120 Volts/60 Hz./1/3 HP. 3 year warranty.